Acraniata

Synonyms of acraniata

• jawless
• vertebrate
• chordate

Antonyms of acraniata

• craniata
• vertebrate with a skull
• skull-bearing

Collocations of acraniata

marine animals

Frequency: 70 %

Acraniata are marine animals that lack a skull.

primitive organisms

Frequency: 60 %

Acraniata are considered primitive organisms in terms of evolution.

vertebrate species

Frequency: 50 %

Acraniata are a group of vertebrate species that lack a skull.

evolutionary lineage

Frequency: 45 %

Acraniata represent an early evolutionary lineage in the animal kingdom.

brain development

Frequency: 40 %

Acraniata exhibit unique characteristics in terms of brain development.

Idiomatic Expressions for acraniata

• Phrase: as spineless as an acraniata
  Meaning: to lack courage or determination
  Usage: He backed out of the challenge at the last minute; he's as spineless as an acraniata.